Year	sq. km
1990	212.7
1991	212.44
1992	212.18
1993	211.92
1994	211.66
1995	211.4
1996	211.14
1997	210.88
1998	210.62
1999	210.36
2000	210.1
2001	209.86
2002	209.62
2003	209.38
2004	209.14
2005	208.9
2006	208.66
2007	208.42
2008	208.18
2009	207.94
2010	207.7
2011	207.7
2012	207.7
2013	207.7
2014	207.7
2015	207.7
2016	207.7
2017	207.7
2018	207.7
2019	207.7
2020	207.7
2021	207.7